I have 5 teams that I use regularly (all with a winrate of over 90%):
1 (proud banner):
Hero (eternal flame)
Alchemist
Valkyrie
Banshee
2 (banner of progress)
Gorgotha
Gloom Leaf
Silent One
Carnex
3 (Woodland banner):
Shadow Dragon or Green Seer
Goblin Shaman
Webspinner
Venoxia
4 (Goblin banner):
Hero (anvil of might
Paladin
Templar
Paladin
5 (Orc banner):
Venoxia
Celestasia
Bone Dragon
Sheggra
And one that I’m still experimentling with (currently it’s):
6 (Giants Banner)
Deep Borer
Acolyte
Rock Worm
Rock Worm